英和和英

It started raining.

It rained.

It has begun raining.

It was raining.

It started to rain.

It is raining.

the time after a rain

The rain was falling thick and fast.

It rained into the room.

The rain began to leak in.

It has stopped raining

It's raining.

Rain falls

It has begun to rain [started raining].

It is raining cats and dogs.

to have it rain

It has stopped raining.

It is raining hard―raining its hardest―raining cats and dogs.

in the rain

It has begun raining.

The rain is driven by the wind.

falling rain

It continues to rain―（と言うよりも通例）―It goes on raining.

The rain stopped.

It appears to be raining.

It was setting in to rain.

It drizzles

There is a heavy rain.

It's started to rain.

continuous rain